Search: 42PQ30R
Results: 37

42PQ30R Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
LG 42PQ30R
No picture with all tensions, but Ysus Cain tensionsBoofer plateCabeça
LG 42PQ30R
No picture with all tensions, even Ysus tensions appeared, butBoofer plateCabeça
LG 42PQ30R
Without picture, with all it seemed to be Ysus, but it was not the tensionsBoofer plateCabeça
LG42PQ30R
Does not turn on, power supply with noiseD352 on the short power supply platediode replace D352ANTENA VIDEO
LG42PQ30R
BURNING R729REPLACE Q21 AND CHECK C503HELDER
LG 42PQ30R
Tsound is no 5v from standby.ResistorsClean the glue under them (r108,r514...)This email address is being protected from spambots. You need JavaScript enabled to view it.
LG 42PQ30R
0000
Replaced it and the screen came back to life - good luck!D503 with leak under the trafficReplaced it and the screen came back to life - good luck!Jhone eletrônica
LG42PQ30R
Reddish image with drizzleR628 smd 2k2 brokenReplaced slept. good luck!Jhone eletrônica
LG42PQ30R
Audio disappearingChange without measuring c202 power supply. lack of 17v on the signal boardLaercio umuaramapr
LG42PQ30R
With the image moved down 1cmDefective t-con boardStiltec
LG42PQ30R LG
TV turns on, stays on for a while or days and turns off.Power supply capacitor in position 829 with broken solder. solution to solder the capacitor terminals.All Master Eletronica
LG42PQ30R
Blurred and negative imageOpen q601 and also check r503I used it from another board, because I couldn't read the code on the part.Eletronica Marinho BH
LG42PQ30R
Dull with audio2r2 3w resistor position r503 on the side of the yellow transformer on the ysus board! This one is also cold soldered and causes the same defect, or the intermittent glow disappears!GEMASI
LG42PQ30R
TV doesn't turn on keeps hitting the relays, tsound's vs and tsound's vaPower supply board, short in diode d352 (sb3200), is close to the 3 photo-couplers.Replace and go out for a hug!Robusto53
LG42PQ30R
No imageWith sound, without imageOn the ysus board, replaced q16, d12, c716, c721 and r503BH
LG 42PQ30R
TV doesn't turn on keeps hitting the relays tsound are vs and tsound is va sometimes it even turns on it doesn't return to std by via cr3300uf/10v electrolytic capacitors c351 and c360Joelquin51
LG42PQ30R
TV turns on with lots of colorful drizzle on the imageR607,r631,r630 open and q22 shortedJust replace it and that's itResistronic resende
LG42PQ30R
After running for a while, it turns off and keeps restarting and hitting the relay. When doing the auto gen it was found that the main board was bad.16v 10uf capacitor c613 which is next to the processor in the mainAlways do the auto gen to rule out any effect on the main PCI or other cards.Carlos Araujo 82993677063
LG42PQ30R
Screen off with audioR 729 and region 607 on the ybr sus board openReplace bothLaercio umuaramapr
LG42PQ30R
Normal league dark screenOpen resistor 2.2r 3wat r503 near yellow transformerReplace r503 and resolder all points suspected of locks with excessive heatingASL ASSISTENCIA TÉCNICA TONINHO